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Finding the Fourth Proportional to 107,773.16, 161,485.02 and 70,288.36

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Solution

The fourth proportional to 107,773.16, 161,485.02 and 70,288.36 is: 105,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,773.16 : 161,485.02 = 70,288.36 : x
  2. Step 2: Convert to fraction form
    107,773.16/161,485.02 = 70,288.36/x
  3. Step 3: Cross multiply
    107,773.16x = 161,485.02 × 70,288.36
  4. Step 4: Simplify right side
    107,773.16x = 11,350,517,220.37
  5. Step 5: Solve for x
    x = 11,350,517,220.37/107,773.16
  6. Step 6: Final answer
    x = 105,318.59

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